A fast way to earn coins in club penguin is to go surfing. The trick for surfing is to not do any tricks. Just go under the big weave that comes but you will crash.  But you will get a lot of points. And  if you get over three thousand points you will get a free member ship, a free golden puffle, and one million coins! ! ! !

For people that are not agents on cp if you go in the sports shop the first certain you open it and the agent club is in there! When you get into the agent club there will be a covert
If you have club
Penguin for DS it comes with a code type the code in and it will unlock the door!
And when you go inside
There might be a lot of people  and become a cool agent! And if you go into the F.I.S.H
Catalog click on the agents glasses  and get
Night vision glasses.

Becoming a ninja is not really hard
Just get up to a black belt and battle sensei six or seven time and you will win.  Then go outside and go to the left and there will be a stone hold  you mouse over it and the stone will go down and a door will pop up go in the door and you will be in the ninja club all the people in the will be
Ninjas. The best ninja in club
Penguin his name is mad kitty1.